The volume of a cube is 729 cm^3 ,then its side is
The volume of a cube is 729 cm3 ,then its side is
A) 27 cm
B) 9 cm
C) 7 cm
D) 36 cm
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Correct option is (B) 9 cm
Let the side of cube be a.
\(\therefore\) \(a^3=729=9^3\) \((\because\) Volume of cube \(=a^3)\)
\(\Rightarrow\) a = 9 cm
Hence, side of cube is 9 cm.
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